同时作用在质点P上的三个共点力F₁、F₂、F₃，已知2F₁=2F₂=F₃=8N，它们的方向分别沿着正六边形两条边和一条对角线，如图所示，则这三个力的合力大小 等于（   ）

A．I came to school with her this morning.

B．Then it must be Eliza's.

C．I didn't see her this morning.

D．Then whose is it?

E．It could belong to Sandy.

F．Its owner can't be a boy.

G．It can't be hers.

A：Excuse me，Mary.Is this your coat?

B：No，it isn't. Mine is white.

A：____ 

B：It might be Sandy's.She likes pink.

A：____ She wore a dress this morning.

B：How do you know that?

A：____ 

B：I see.Let's see what's in the pocket of the coat.Wow，here's a hair band.____ 

A：It might belong to Eliza.Eliza has long hair and pink is her favorite color.

B：Oh，there're some candies in the other pocket.

A：____ She likes eating candy very much.

B：Yes，you're right.Let's go to see her.

如图所示：△ABC中，DE∥BC，AD=5，BD=10，AE=3．则CE的值为（　　）